.bingz {
  width: 100vw;
  height: 100vh;
  background-color: #f2f2f2;
}
.nei {
  margin-top: 10px;
  width: 100vw;
  background-color: #ffffff;
}
.ke{
  width: 100vw;
    display: grid;
    grid-template-columns: repeat(4,1fr);
    background-color: #f2f2f2;
  }
.zhengx {
  position: relative;
  width: 100vw;
  height: 290px;
  .zi {
    color: blue;
    position: absolute;
    font-size: 13px;
    position: absolute;
    bottom: 0;
    right: 24px;
    margin-left: 10px;
  }
}
.fang{
    margin-top: 16px;
    width: 90%;
    margin-left: 25px;
    min-height: 100px;
    border: solid 1px gray;
    border-radius: 8px;
    padding: 16px;
    box-sizing: border-box;
    overflow: hidden;
}

.zhengxx{
     width: 100%;
  height: 90px;
}

.heng{
    text-align: center;
    background-color: #f2f2f2;
}

.tuadd{
  width: 100vw;
  height: 100px;
  background-color: #ffffff;
}

.xuan{
  margin-top: 40px;
  width: 100vw;
  background-color: #f2f2f2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
}
.xuan > div:first-child{
  white-space: nowrap;
}
.footer{
  width: 100vw;
  height: 100px;
  
}
